参数 | 腺癌(n = 50) | 鳞癌(n = 34) | t/Z值 | P值 |
40 KeV CT值 | 183.81 ± 51.91 | 115.57 ± 32.67 | 7.390 | 0.000 |
50 KeV CT值 | 124.42 ± 31.64 | 83.18 ± 22.07 | 7.036 | 0.000 |
60 KeV CT值 | 87.89 ± 22.07 | 63.17 ± 16.36 | 5.735 | 0.000 |
70 KeV CT值 | 65.17 ± 17.13 | 50.78 ± 13.46 | 4.109 | 0.000 |
80 KeV CT值 | 49.72 (17.75) | 43.89 (13.74) | 2.834 | 0.005 |
90 KeV CT值 | 44.42 (15.34) | 38.21 (11.03) | 1.622 | 0.105 |
标准化碘浓度(NIC) | 0.19 (0.09) | 0.11 (0.05) | 5.140 | 0.000 |
标准化水浓度(NWC) | 0.99 (0.02) | 0.99 (0.02) | 0.857 | 0.392 |
能谱曲线斜率(λ40~90 keV) | 2.86 ± 1.07 | 1.56 ± 0.56 | 7.253 | 0.000 |
虚拟平扫CT值 | 31.00 (12.29) | 34.46 (8.89) | 0.857 | 0.011 |
ΔCT70 KeV值 | 36.78 ± 17.81 | 17.56 ± 9.94 | 5.710 | 0.000 |